VDIM8040 - How to inhibit, amend or withdraw interest: Setting an inhibit after an assessment is processed
This guidance deals with interest matters in respect of prescribed accounting periods starting on or before 31 December 2022. Interest matters with effect from 01 January 2023 are dealt with under Finance Act 2009.
Please see Compliance Handbook page CH140000 onwards to find the new interest rules guidance.
If the inhibit needs to be set on a whole line after an assessment has been processed a VAT643 (assessment amendment form) should be completed.